setTimeout(function () {
    var t;
    if (t = document.getElementsByClassName("ks-imagezoom-icon")[0]) {
        t.remove();
    }
    if (t = document.getElementsByClassName("zoomIcon")[0]) {
        t.remove();
    }
    if (t = document.getElementById("J_ZoomIcon")) {
        t.remove();
    }
}, 3000);